root/platform/sx60hs/sub/100f/boot.c

DEFINITIONS

1. spytask
2. CreateTask_spytask
3. init_required_fw_features
4. boot
5. CreateTask_my
6. sub_fc05eec0_my
7. sub_fc05f050_my
8. sub_fc05f0e4_my
9. sub_fc05f456_my
10. sub_fc07319c_my
11. task_Startup_my
12. sub_fc07308e_my
13. init_file_modules_task
14. kbd_p2_f_my
15. sub_fc0706e8_my

   1 #include "lolevel.h"
   2 #include "platform.h"
   3 #include "core.h"
   4 //#include "dryos31.h"
   6 #define offsetof(TYPE, MEMBER) ((int) &((TYPE *)0)->MEMBER)
   8 const char * const new_sa = &_end;
  10 // Forward declarations
  11 extern volatile int jogdial_stopped;
  12 void JogDial_task_my(void);
  14 extern void task_CaptSeq();
  15 extern void task_InitFileModules();
  16 extern void task_RotaryEncoder();
  17 extern void task_MovieRecord();
  18 extern void task_LiveImageTask();
  19 extern void task_ExpDrv();
  21 /*----------------------------------------------------------------------
  22     spytask
  23 -----------------------------------------------------------------------*/
  24 void spytask(long ua, long ub, long uc, long ud, long ue, long uf)
  25 {
  26     (void)ua; (void)ub; (void)uc; (void)ud; (void)ue; (void)uf;
core_spytask();
  28 }
  30 /*----------------------------------------------------------------------
  31     CreateTask_spytask
  32 -----------------------------------------------------------------------*/
  33 void CreateTask_spytask()
  34 {
  35 //    *(int*)0xd20b0884 = 0x4d0002;
_CreateTask("SpyTask", 0x19, 0x2000, spytask, 0);
  38 }
  40 /*
  41     *** TEMPORARY? workaround ***
  42     Init stuff to avoid asserts on cameras running DryOS r54+
  43     https://chdk.setepontos.com/index.php?topic=12516.0
  44     Execute this only once
  45  */
  46 void init_required_fw_features(void) {
  47     extern void _init_focus_eventflag();
  48     extern void _init_nd_eventflag();
  49 //   extern void _init_nd_semaphore();
  50     //extern void _init_zoom_semaphore(); // for MoveZoomLensWithPoint
_init_focus_eventflag();
_init_nd_eventflag();
  54     // for MoveIrisWithAv, based on fc3d1a74 (but without registers eventprocs)
  55     extern int av_override_semaphore;
  56     extern int _CreateBinarySemaphoreStrictly(int x, int y);
av_override_semaphore = _CreateBinarySemaphoreStrictly(0,0);
  58 //    _init_nd_semaphore();
  59 }
  60 ///*----------------------------------------------------------------------
  61 // Pointer to stack location where jogdial task records previous and current
  62 // jogdial positions
  63 // short *jog_position;
  65 /*----------------------------------------------------------------------
  66     boot()
  67 
  68     Main entry point for the CHDK code
  69 -----------------------------------------------------------------------*/
  71 /*************************************************************/
  72 void __attribute__((naked,noinline)) boot() {
  73 //    *(int*)0xd20b0884 = 0x4d0002;
  74     asm volatile ( // 0xfc02000c
  75 "    ldr.w   sp, =0x80010000\n"
  76 "    bl      sub_fc020064\n" 
  77 "    ldr     r2, =0xc0242010\n"
  78 "    ldr     r1, [r2]\n"
  79 "    orr     r1, r1, #1\n"
  80 "    str     r1, [r2]\n"
  81 "    ldr     r0, =0xfcd16b8c\n"
  82 "    ldr     r1, =0x010e1000\n"
  83 "    ldr     r3, =0x0110daa4\n"
  84 "loc_fc020024:\n"
  85 "    cmp     r1, r3\n"
  86 "    itt     lo\n"
  87 "    ldrlo   r2, [r0], #4\n"
  88 "    strlo   r2, [r1], #4\n"
  89 "    blo     loc_fc020024\n"
  90 // Install CreateTask patch
  91 // use half words in case source or destination not word aligned
  92         "adr     r0, patch_CreateTask\n"    // src: Patch data
  93         "ldr     r1, =hook_CreateTask\n"    // dest: Address to patch (hook_ has thumb bit off)
  94         "add     r2, r0, #8\n" // two words
  95 "task_hook_loop:\n"
  96         "ldrh   r3, [r0],#2\n"
  97         "strh   r3, [r1],#2\n"
  98         "cmp    r0,r2\n"
  99         "blo    task_hook_loop\n"
 100 "    ldr     r0, =0x010e1000\n"
 101 "    ldr     r1, =0x0002caa4\n"
 102 "    bl      sub_fc1361ce\n" 
 103 "    ldr     r0, =0xfccec580\n"
 104 "    ldr     r1, =0x00008000\n"
 105 "    ldr     r3, =0x0003260c\n"
 106 "loc_fc020040:\n"
 107 "    cmp     r1, r3\n"
 108 "    itt     lo\n"
 109 "    ldrlo   r2, [r0], #4\n"
 110 "    strlo   r2, [r1], #4\n"
 111 "    blo     loc_fc020040\n"
 112 "    ldr     r3, =0x0003260c\n"
 113 "    ldr     r1, =0x003a8bb0\n"
 114 "    mov.w   r2, #0\n"
 115 "loc_fc020056:\n"
 116 "    cmp     r3, r1\n"
 117 "    it      lo\n"
 118 "    strlo   r2, [r3], #4\n"
 119 "    blo     loc_fc020056\n"
 120 //"    b.w     loc_fc05eec0\n"
 121 "    b.w     sub_fc05eec0_my\n" // continue 
 123         "patch_CreateTask:\n"
 124         "ldr.w   pc, [pc,#0]\n"             // Do jump to absolute address CreateTask_my
 125         ".long   CreateTask_my + 1\n"           // has to be a thumb address
 128 );
 129 }
 131 /*************************************************************/
 132 void __attribute__((naked,noinline)) CreateTask_my() {
 133 //    *(int*)0xd20b0884 = 0x4d0002;
 134 asm volatile (
 135 "    push   {r0}\n"
 136 //R3 = Pointer to task function to create
 137 "    ldr     r0, =task_CaptSeq\n"       // DryOS original code function ptr.
 138 "    cmp     r0, r3\n"                  // is the given taskptr equal to our searched function?
 139 "    itt     eq\n"                      // EQ block
 140 "    ldreq   r3, =capt_seq_task\n"      // if so replace with our task function base ptr.
 141 "    orreq   r3, #1\n"                  // make sure it's a thumb address (may not be needed?)
 142 "    beq     exitHook\n"                // below compares not necessary if this check has found something.
 144 "    LDR     R0, =task_ExpDrv\n"
 145 "    CMP     R0, R3\n"
 146 "    itt     eq\n"
 147 "    LDREQ   R3, =exp_drv_task\n"
 148 "    orreq   r3, #1\n"
 149 "    BEQ     exitHook\n"
 150 /*
 151 "    LDR     R0, =task_DvlpSeqTask\n"
 152 "    CMP     R0, R3\n"
 153 "    itt     eq\n"
 154 "    LDREQ   R3, =developseq_task\n"
 155 "    orreq   r3, #1\n"
 156 "    BEQ     exitHook\n"
 157 */
 159 "    ldr     r0, =task_FileWrite\n"
 160 "    cmp     r0, r3\n"
 161 "    itt     eq\n"
 162 "    ldreq   r3, =filewritetask\n"
 163 "    orreq   r3, #1\n"
 164 "    beq     exitHook\n"
 165 /*
 166 
 167 "    LDR     R0, =task_MovieRecord\n"
 168 "    CMP     R0, R3\n"
 169 "    itt     eq\n"
 170 "    LDREQ   R3, =movie_record_task\n"
 171 "    BEQ     exitHook\n"
 172 
 173 "    LDR     R0, =task_LiveImageTask\n"
 174 "    CMP     R0, R3\n"
 175 "    itt     eq\n"
 176 "    LDREQ   R3, =liveimage_task\n"
 177 "    BEQ     exitHook\n"
 178 
 179 */
 180 "    ldr     r0, =task_InitFileModules\n"
 181 "    cmp     r0, r3\n"
 182 "    itt     eq\n"
 183 "    ldreq   r3, =init_file_modules_task\n"
 184 "    orreq   r3, #1\n"
 186 "exitHook:\n" 
 188 // restore overwritten register(s)
 189 "    pop    {r0}\n"
 190 /*                        // turn led on
 191                         "push    {r4-r5}\n"
 192                         "ldr r4, =0x4d0002\n"
 193                         "ldr r5, =0xd20b0884\n"
 194                         "str r4, [r5]\n"
 195                         "pop     {r4-r5}\n"
 196  */                   
 197 // Execute overwritten instructions from original code, then jump to firmware
 198 "    stmdb   sp!, {r1, r2, r3, r4, r5, r6, r7, r8, r9, lr}\n"
 199 //"    push.w  {r1, r2, r3, r4, r5, r6, r7, r8, sb, lr}\n"
 200 "    mov     r4, r0\n"
 201 "    ldr     r0, =0x8160\n" //at fc05f1b0
 202 //"    mov     r6, r1\n"
 203 //"    mov     r5, r2\n"
 204 "    ldr.w   pc, =(hook_CreateTask + 8 + 1) \n"  // Continue in firmware
 205 ".ltorg\n"
 206 );
 208 }
 210 //fc04f194 fc05eec0
 211 void __attribute__((naked,noinline)) sub_fc05eec0_my() {
 212 //*(int*)0xd20b0884 = 0x4d0002;
 214 /* no gpio checks needed    if (*(int*)(0xd20b0000 + 0x10 * 4) & 0x10000) {
 215         // see sub_fc060338, sub_fc06082a
 216         // GPIO 0x10 (aka ON/OFF button) is not pressed -> play
 217         *(int*)(0x970c+0x4) = 0x200000;
 218     }
 219     else {
 220         // GPIO 0x10 is pressed -> rec
 221         *(int*)(0x970c+0x4) = 0x100000;
 222     }
 223 */
 224     asm volatile (
 225     "push    {r4, lr}\n"
 227 #if defined(CHDK_NOT_IN_CANON_HEAP)
 228     "ldr     r4, =0x003a8bb0\n"         // heap start, modify here
 229 #else
 230     "ldr     r4, =new_sa\n"             // +
 231     "ldr     r4, [r4]\n"                // +
 232 #endif
 233 "    sub     sp, #0x78\n"
 234 "    ldr     r0, =0x006ce000\n"
 235 "    ldr     r1, =0x0008fd8c\n"
 236 "    subs    r0, r0, r4\n"
 237 "    cmp     r0, r1\n"
 238 "    bhs     loc_fc05eed2\n"
 239 "loc_fc05eed0:\n"
 240 "    b       loc_fc05eed0\n"
 241 "loc_fc05eed2:\n"
 242 "    ldr     r1, =0x00008074\n"
 243 "    mov.w   r0, #0x80000\n"
 244 "    str     r0, [r1]\n"
 245 "    ldr     r1, =0x00008078\n"
 246 "    ldr     r0, =0x42a41000\n"
 247 "    str     r0, [r1]\n"
 248 "    ldr     r1, =0x0000807c\n"
 249 "    ldr     r0, =0x42a43000\n"
 250 "    str     r0, [r1]\n"
 251 "    movs    r1, #0x78\n"
 252 "    mov     r0, sp\n"
 253 "    blx     sub_fc2cf438\n" 
 254 "    ldr     r0, =0x0062e000\n"
 255 "    mov.w   r1, #0xa0000\n"
 256 "    stm.w   sp, {r0, r1, r4}\n"
 257 "    ldr     r1, =0x00622274\n" //  *"t"b"
 258 "    subs    r2, r1, r4\n"
 259 "    strd    r2, r1, [sp, #0xc]\n"
 260 "    str     r0, [sp, #0x14]\n"
 261 "    movs    r0, #0x22\n"
 262 "    str     r0, [sp, #0x18]\n"
 263 "    movs    r0, #0x98\n"
 264 "    str     r0, [sp, #0x1c]\n"
 265 "    movw    r0, #0x24c\n"
 266 "    str     r0, [sp, #0x20]\n"
 267 "    movs    r0, #0xfa\n"
 268 "    str     r0, [sp, #0x24]\n"
 269 "    movs    r0, #0xe8\n"
 270 "    str     r0, [sp, #0x28]\n"
 271 "    movs    r0, #0x85\n"
 272 "    str     r0, [sp, #0x2c]\n"
 273 "    movs    r0, #0x40\n"
 274 "    str     r0, [sp, #0x30]\n"
 275 "    movs    r0, #4\n"
 276 "    str     r0, [sp, #0x34]\n"
 277 "    movs    r0, #0\n"
 278 "    str     r0, [sp, #0x38]\n"
 279 "    movs    r0, #0x10\n"
 280 "    str     r0, [sp, #0x5c]\n"
 281 "    movs    r2, #0\n"
 282 "    lsls    r0, r0, #8\n"
 283 "    str     r0, [sp, #0x60]\n"
 284 //"    ldr     r1, =0xfc05f051\n"
 285     "ldr     r1, =sub_fc05f050_my\n"    // -> continue here (init_task)
 286 "    asrs    r0, r0, #4\n"
 287 "    str     r0, [sp, #0x64]\n"
 288 "    lsls    r0, r0, #5\n"
 289 "    str     r0, [sp, #0x68]\n"
 290 "    mov     r0, sp\n"
 291 "    blx     sub_fc2ce9a4\n" 
 292 "    add     sp, #0x78\n"
 293 "    pop     {r4, pc}\n"
 294     ".ltorg\n"
 296     );
 299 }
 302 //fc04f324
 303 void __attribute__((naked,noinline)) sub_fc05f050_my() {
 305 //*(int*)0xd20b0884 = 0x4d0002;
 306     asm volatile (
 307 "    push    {r4, lr}\n"
 308 "    ldr     r4, =0xfc05f0fc\n" //  *"/_term"
 309 "    bl      sub_fc0602ec\n"
 310 "    ldr     r0, =0x000080ec\n"
 311 "    ldr     r1, [r0]\n"
 312 "    ldr     r0, =0x00008074\n"
 313 "    ldr     r0, [r0]\n"
 314 "    adds    r0, #0x10\n"
 315 "    cmp     r1, r0\n"
 316 "    bhs     loc_fc05f06c\n"
 317 "    ldr     r0, =0xfc05f10c\n" //  *"USER_MEM size checking"
 318 "    bl      sub_fc05f0e4\n"
 319 "loc_fc05f06c:\n"
 320 "    bl      sub_fc1362a8\n"
 321 "    ldr     r3, =0x80000800\n"
 322 // bad capdis output
 323 //  
 324     "mov.w   r1, #0x80000000\n" //2147483648
 325     "mov.w   r2, #0xeeeeeeee\n"
 326 "loc_fc05f07a:\n"
 327 "    stm     r1!, {r2}\n"
 328 "    cmp     r1, r3\n"
 329 "    blo     loc_fc05f07a\n"
 330 "    bl      sub_fc1362ba\n" 
 331 "    bl      sub_fc136890\n" 
 332 "    cmp     r0, #0\n"
 333 "    bge     loc_fc05f092\n"
 334 "    ldr     r0, =0xfc05f128\n" //  *"dmSetup"
 335 "    bl      sub_fc05f0e4\n"
 336 "loc_fc05f092:\n"
 337 "    bl      sub_fc05f8c4\n"  
 338 "    cmp     r0, #0\n"
 339 "    bge     loc_fc05f0a0\n"
 340 "    ldr     r0, =0xfc05f130\n" //  *"termDriverInit"
 341 "    bl      sub_fc05f0e4\n"
 342 "loc_fc05f0a0:\n"
 343 "    mov     r0, r4\n"
 344 "    bl      sub_fc05f952\n" 
 345 // led works here
 346 "    cmp     r0, #0\n"
 347 "    bge     loc_fc05f0b0\n" 
 348 "    ldr     r0, =0xfc05f140\n" //  *"termDeviceCreate"
 349 "    bl      sub_fc05f0e4\n"
 350 "loc_fc05f0b0:\n"
 351 "    mov     r0, r4\n"
 352 "    bl      sub_fc05f288\n" 
 353 // led works here
 354 "    cmp     r0, #0\n"
 355 "    bge     loc_fc05f0c0\n" 
 356 "    ldr     r0, =0xfc05f154\n" //  *"stdioSetup"
 357 "    bl      sub_fc05f0e4\n"
 358 "loc_fc05f0c0:\n"
 359 "    bl      sub_fc05f3cc\n" 
 360 "    cmp     r0, #0\n"
 361 "    bge     loc_fc05f0ce\n"
 362 "    ldr     r0, =0xfc05f160\n" //  *"stdlibSetup"
 363 "    bl      sub_fc05f0e4\n"
 364 "loc_fc05f0ce:\n"
 365 "    bl      sub_fc0623e8\n"
 366 "    cmp     r0, #0\n"
 367 "    bge     loc_fc05f0dc\n"
 368 "    ldr     r0, =0xfc05f16c\n" //  *"extlib_setup"
 369 "    bl      sub_fc05f0e4\n"
 370 "loc_fc05f0dc:\n"
 371 "    pop.w   {r4, lr}\n"
 372 //"    b.w     sub_fc05f456\n"
 373     "b.w     sub_fc05f456_my\n" // -> continue (taskcreate_startup)
 374     ".ltorg\n"
 376     );
 378 }
 380 void __attribute__((naked,noinline)) sub_fc05f0e4_my() {
 382 //*(int*)0xd20b0884 = 0x4d0002;
 383 }
 384 void __attribute__((naked,noinline)) sub_fc05f456_my() {
 385 // turn on LED
 386  //   *(int*)0xd20b0884 = 0x4d0002;
 388     asm volatile (
 389 "    push    {r3, lr}\n"
 390 "    bl      sub_fc05f570\n" 
 391 "    bl      sub_fc0b9738\n" 
 392 "    cbnz    r0, loc_fc05f46c\n"
 393 "    bl      sub_fc07f062\n" // is normal camera Mode_FW
 394 "    cbz     r0, loc_fc05f46c\n"
 395 "    movs    r0, #1\n"
 396 "    b       loc_fc05f46e\n"
 397 "loc_fc05f46c:\n"
 398     "movs    r0, #0\n"
 399 "loc_fc05f46e:\n"
 400 "    bl      sub_fc07319c\n" 
 401 "    cbnz    r0, loc_fc05f47a\n"
 402 "    bl      sub_fc05f55e\n" 
 403 "loc_fc05f478:\n"
 404 "    b       loc_fc05f478\n"
 405 "loc_fc05f47a:\n"
 406 "    blx     sub_fc2ce9fc\n"
 407 "    ldr     r1, =0x006ce000\n"
 408 "    movs    r0, #0\n"
 409 "    bl      sub_fc3364fc\n" 
 410 "    blx     sub_fc2cefd0\n"
 411 "    movs    r3, #0\n"
 412 "    str     r3, [sp]\n"
 413 //"    ldr     r3, =0xfc05f3f1\n" //  task_Startup
 414     "ldr     r3, =task_Startup_my\n"
 415 "    movs    r2, #0\n"
 416 "    movs    r1, #0x19\n"
 417 "    ldr     r0, =0xfc05f4a8\n" //  *"Startup"
 418  /*                       // ###### turn led on
 419                         "push    {r4-r5}\n"
 420                         "ldr r4, =0x4d0002\n"
 421                         "ldr r5, =0xd20b0884\n"
 422                         "str r4, [r5]\n"
 423                         "pop     {r4-r5}\n"
 424 */
 425 //"    blx     sub_fc2cf018\n" // j_CreateTask
 426     "bl       _CreateTask\n"    // CreateTask
 427 "    movs    r0, #0\n"
 428 "    pop     {r3, pc}\n"
 429     ".ltorg\n"
 430     );
 431 }
 433 // override not needed
 434 #if 0
 435 void __attribute__((naked,noinline)) sub_fc07319c_my() {
 436     asm volatile (
 437     "stmdb   sp!, {r2, r3, r4, r5, r6, r7, r8, lr}\n"
 438     "mov.w   r8, #0\n"
 439     "mov     r7, r0\n"
 440     "mov     r6, r8\n"
 441     "bl      sub_fc0705ee\n" // nullsub
 442     "movs    r0, #16\n"
 443     "bl      sub_fc06fbde\n"
 444     "movs    r4, #1\n"
 445     "bic.w   r5, r4, r0\n"
 446     "movs    r0, #15\n"  
 447     "bl      sub_fc06fbde\n"    // reads GPIO (15)
 448     "bics    r4, r0\n"
 449     "cbz     r7, loc_fc0731f6\n"
 450     "orrs.w  r0, r5, r4\n"
 451     //"beq.n   loc_fc06037e\n"  // - this check fails and results in shutdown
 452     "loc_fc0731f6:\n"
 453     "bl      sub_fc0b9738\n"
 454     "movs    r3, #0\n"
 455     "mov     r2, r0\n"
 456     "strd    r8, r6, [sp]\n"
 457     "mov     r1, r4\n"
 458     "mov     r0, r5\n"
 459     //"bl      sub_fc06082a\n"  // - startupchecks
 460     //"bl      sub_fc060828\n"  // - nullsub
 461     "movs    r0, #1\n"
 462     "loc_fc073210:\n"
 463     "ldmia.w sp!, {r2, r3, r4, r5, r6, r7, r8, pc}\n"
 464     ".ltorg\n"
 465     );
 466 }
 467 #endif
 470 // task_Startup
 471 //"    ldr     r3, =0xfc05f3f1\n" //  task_Startup
 472 void __attribute__((naked,noinline)) task_Startup_my() {
 473 //    *(int*)0xd20b0884 = 0x4d0002;
 474     asm volatile (
 475 "    push    {r4, lr}\n"
 476 "    bl      sub_fc137ad4\n" // CreateTask ClockSave
 477 "    bl      sub_fc05f53c\n" // posixSetup etc
 478 //"    bl      sub_fc05f6bc\n"
 479 "    bl      sub_fc0daedc\n" // StartWDT ...
 480 "bl sub_010e6355\n" //see 0x010e63cc task_SD1stInit in RAMCODE.dis
 481 //"    bl      sub_fc05f712\n"
 482 "    bl      sub_fc08da46\n"
 483 "    bl      sub_fc0db028\n"
 484 "    bl      sub_fc05f804\n"
 485 "    bl      sub_fc05f650\n"
 486 "    bl      sub_fc0daf1a\n"
 487 "    bl      sub_fc0b947c\n"
 488 "    bl      sub_fc0db02e\n"
 489 "    bl      sub_fc07308e_my\n"
 490 "    bl      CreateTask_spytask\n"
 491 "    bl      init_required_fw_features\n"
 492 "    bl      sub_fc275708\n"
 493 "    bl      sub_fc0db044\n"
 494 "    bl      sub_fc0b9230\n"
 495 "    bl      sub_fc13788e\n"
 496 "    bl      sub_fc0b95e4\n"
 497 "    bl      sub_fc0b942e\n"
 498 "    bl      sub_fc13784a\n"
 499 "    bl      sub_fc05f808\n"
 500 "    bl      sub_fc32f656\n" 
 501 "    bl      sub_fc13781e\n"
 502 "    pop.w   {r4, lr}\n"
 503 "    b.w     sub_fc137aaa\n"  
 504     ".ltorg\n"
 505     );
 506 }
 507 //taskcreate_physw
 508 void __attribute__((naked,noinline)) sub_fc07308e_my() {
 509 //    *(int*)0xd20b0884 = 0x4d0002;
 510     asm volatile (
 511 "    push    {r3, r4, r5, lr}\n"
 512 "    bl      sub_fc07202c\n"
 513 "    bl      sub_fc07efe0\n" // IsFactoryMode_FW
 514 "    cbnz    r0, loc_fc07309e\n"
 515 "    bl      sub_fc071fd0\n" // OpLog.Start_FW
 516 "loc_fc07309e:\n"
 517 "    ldr     r4, =0x000082c8\n"
 518 "    ldr     r0, [r4, #4]\n"
 519 "    cmp     r0, #0\n"
 520 "    bne     loc_fc0730ba\n"
 521 "    movs    r3, #0\n"
 522 "    str     r3, [sp]\n"
 523 //"    ldr     r3, =0xfc073069\n" //  task_PhySw
 524         "ldr     r3, =mykbd_task\n"   // fix this!!
 525 "    movs    r1, #0x17\n"
 526 "    ldr     r0, =0xfc0730e8\n" //  *"PhySw"
 527 "    movw    r2, #0x2000\n" // adjust upward?was 800
 528 "    blx     sub_fc2cf340\n" // j_CreateTaskStrictly
 529 /*                        // ###### turn led on
 530                         "push    {r4-r5}\n"
 531                         "ldr r4, =0x4d0002\n"
 532                         "ldr r5, =0xd20b0884\n"
 533                         "str r4, [r5]\n"
 534                         "pop     {r4-r5}\n"
 535 */
 536 "    str     r0, [r4, #4]\n"
 537 "loc_fc0730ba:\n"
 538 "    pop     {r3, r4, r5, pc}\n"
 539                         ".ltorg\n"
 540     );
 541 }
 543 void __attribute__((naked,noinline)) init_file_modules_task() { //sub_fc088220_my()
 544 //fc0bda11
 545 // task_InitFileModules 0xfc0bda11
 546     asm volatile (
 547 "    push    {r4, r5, r6, lr}\n"
 548 "    bl      sub_fc0e5238\n"
 549 "    movs    r4, r0\n"
 550 "    movw    r5, #0x5006\n"
 551 "    beq     loc_fc0bda26\n"
 552 "    movs    r1, #0\n"
 553 "    mov     r0, r5\n"
 554 "    bl      _PostLogicalEventToUI\n"
 555 "loc_fc0bda26:\n"
 556 "    bl      sub_fc0e5262\n"
 557 "    BL      core_spytask_can_start\n" // + CHDK: Set "it's-safe-to-start" flag for spytask
 558 "    cmp     r4, #0\n"
 559 "    bne     loc_fc0bda3a\n"
 560 "    mov     r0, r5\n"
 561 "    pop.w   {r4, r5, r6, lr}\n"
 562 "    movs    r1, #0\n"
 563 "    b.w     _PostLogicalEventToUI\n"
 564 "loc_fc0bda3a:\n"
 565 "    pop     {r4, r5, r6, pc}\n"
 566 "    .ltorg\n"
 567     );
 569 }
 572 void __attribute__((naked,noinline)) kbd_p2_f_my() { 
 574 // kbd_p2_f 0xfc072e35
 576    asm volatile(
 577 "    stmdb   sp!, {r4, r5, r6, r7, r8, lr}\n"
 578 //"    push.w  {r4, r5, r6, r7, r8, lr}\n"
 579 "    ldr     r6, =0x00033f88\n"
 580 "    sub     sp, #0x18\n"
 581 "    add     r7, sp, #8\n"
 582 "    subs    r6, #0xc\n"
 583 "    b       loc_fc072e76\n"
 585 "loc_fc072e42:\n"
 586 "    ldr     r1, =0x00033f88\n"
 587 "    add     r3, sp, #8\n"
 588 "    ldrb.w  r0, [sp, #4]\n"
 589 "    add     r2, sp, #0x14\n"
 590 "    subs    r1, #0x18\n"
 591 "    bl      sub_fc070b4e\n"
 592 "    cbnz    r0, loc_fc072e5c\n"
 593 "    ldr     r1, [sp, #0x14]\n"
 594 "    movs    r0, #0\n"
 595 "    bl      sub_fc072da6\n"
 597 "loc_fc072e5c:\n"
 598 "    movs    r0, #2\n"
 599 "loc_fc072e5e:\n"
 600 "    ldr.w   r1, [r7, r0, lsl #2]\n"
 601 "    cbz     r1, loc_fc072e6e\n"
 602 "    ldr.w   r2, [r6, r0, lsl #2]\n"
 603 "    bics    r2, r1\n"
 604 "    str.w   r2, [r6, r0, lsl #2]\n"
 605 "loc_fc072e6e:\n"
 606 "    subs    r0, r0, #1\n"
 607 "    sxtb    r0, r0\n"
 608 "    cmp     r0, #0\n"
 609 "    bge     loc_fc072e5e\n"
 611 "loc_fc072e76:\n"
 612 "    ldr     r0, =0x00033f88\n"
 613 "    add     r1, sp, #4\n"
 614 "    subs    r0, #0xc\n"
 615 "    bl      sub_fc07084c\n"
 616 "    cmp     r0, #0\n"
 617 "    bne     loc_fc072e42\n"
 618 "    ldr.w   r8, =0x00033f88\n"
 619 "    movs    r4, #0\n"
 620 "loc_fc072e8a:\n"
 621 "    movs    r5, #0\n"
 622 "    ldr.w   r0, [r6, r4, lsl #2]\n"
 623 "    ldr.w   r1, [r8, r4, lsl #2]\n"
 624 "    ands    r0, r1\n"
 625 "    str.w   r0, [r6, r4, lsl #2]\n"
 626 "    b       loc_fc072ee2\n"
 627 "loc_fc072e9c:\n"
 628 "    lsrs    r0, r5\n"
 629 "    lsls    r0, r0, #0x1f\n"
 630 "    beq     loc_fc072eda\n"
 631 "    ldr     r1, =0x00033f88\n"
 632 "    add.w   r0, r5, r4, lsl #5\n"
 633 "    add     r3, sp, #8\n"
 634 "    subs    r1, #0x18\n"
 635 "    add     r2, sp, #0x14\n"
 636 "    uxtb    r0, r0\n"
 637 "    bl      sub_fc070b4e\n"
 638 "    cbnz    r0, loc_fc072ebe\n"
 639 "    ldr     r1, [sp, #0x14]\n"
 640 "    movs    r0, #1\n"
 641 "    bl      sub_fc072da6\n"
 642 "loc_fc072ebe:\n"
 643 "    mov     r0, r4\n"
 644 "    b       loc_fc072ed6\n"
 646 "loc_fc072ec2:\n"
 647 "    ldr.w   r1, [r7, r0, lsl #2]\n"
 648 "    cbz     r1, loc_fc072ed2\n"
 649 "    ldr.w   r2, [r6, r0, lsl #2]\n"
 650 "    bics    r2, r1\n"
 651 "    str.w   r2, [r6, r0, lsl #2]\n"
 652 "loc_fc072ed2:\n"
 653 "    adds    r0, r0, #1\n"
 654 "    sxtb    r0, r0\n"
 655 "loc_fc072ed6:\n"
 656 "    cmp     r0, #3\n"
 657 "    blt     loc_fc072ec2\n"
 658 "loc_fc072eda:\n"
 659 "    ldr.w   r0, [r6, r4, lsl #2]\n"
 660 "    adds    r5, r5, #1\n"
 661 "    uxtb    r5, r5\n"
 662 "loc_fc072ee2:\n"
 663 "    cmp     r0, #0\n"
 664 "    bne     loc_fc072e9c\n"
 665 "    adds    r4, r4, #1\n"
 666 "    sxtb    r4, r4\n"
 667 "    cmp     r4, #3\n"
 668 "    blt     loc_fc072e8a\n"
 669 //"    bl      sub_fc0706e8\n"
 670 "    bl      sub_fc0706e8_my\n"     // ->
 671 "    add     sp, #0x18\n"
 672 "    pop.w   {r4, r5, r6, r7, r8, pc}\n"
 673 ".ltorg\n"
 674     );
 676 }
 677 //extern void handle_jogdial();
 678 void __attribute__((naked,noinline)) sub_fc0706e8_my() {
 679     asm volatile(
 680 "    push    {r4, lr}\n"
 681 "    ldr     r4, =0x0000970c\n"
 682 "    ldr     r0, [r4, #0xc]\n"
 683 "    bl      sub_fc072250\n"
 684 "    bl      sub_fc0f9118\n"
 685 "    ldr     r0, [r4, #0x10]\n"
 686 "    bl      sub_fc07216c\n"
 687 //"    ldmia.w sp!, {r4, lr}\n" // - (reordered below)
 688 //"    b.w     loc_fc05cbf6\n"  // - (reordered below)
 689 "    bl      handle_jogdial\n"  // +
 690 "    cmp     r0, #0\n"          // +
 691 "    beq     no_scroll\n"       // +
 692 "    bl      sub_fc072490\n"    // handles scrollwheel(s), void function, no args
 693 "no_scroll:\n"                  // +
 694 "    pop     {r4, pc}\n"        // +
 695     );
 696 }